Issued Patents All Time
Showing 51–75 of 119 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10756577 | Wireless power supply system, wireless power transmission device, and wireless power reception device | — | 2020-08-25 |
| 10566840 | Wireless power feeding system | — | 2020-02-18 |
| 10531557 | Wireless module, RFID system, and wireless power supply device | Takafumi Nasu, Katsumi Taniguchi, Makoto Takeoka, Masaaki Kanao | 2020-01-07 |
| 10511194 | Wireless power transfer system | — | 2019-12-17 |
| 10224750 | Wireless power transmission apparatus | — | 2019-03-05 |
| 10181755 | Wireless power supply apparatus | Tatsuya Doi | 2019-01-15 |
| 10027377 | Wireless power supply apparatus | — | 2018-07-17 |
| 9966863 | Switching power-supply circuit | Satoshi Yamaguchi | 2018-05-08 |
| 9948141 | Wireless power transfer apparatus | — | 2018-04-17 |
| 9859798 | Wireless power-feeding apparatus | — | 2018-01-02 |
| 9853460 | Power conversion circuit, power transmission system, and power conversion system | Keiichi Ichikawa | 2017-12-26 |
| 9660536 | Switching power supply device performs power transmission by using resonance phenomenon | — | 2017-05-23 |
| 9621048 | Switching power-supply circuit | Satoshi Yamaguchi | 2017-04-11 |
| 9601996 | Switching power supply apparatus | — | 2017-03-21 |
| 9548662 | Switching power-supply circuit | — | 2017-01-17 |
| 9478992 | Power transmission system | — | 2016-10-25 |
| 9473041 | Switching power supply apparatus with improved power conversion efficency to reduce power usage | — | 2016-10-18 |
| 9473030 | Switching power supply apparatus including controller that switches a switching unit based on the amount of charge in a charge unit | — | 2016-10-18 |
| 9397575 | Switching power supply device | — | 2016-07-19 |
| 9385617 | Overcurrent protection circuit for a switching power supply apparatus | Naoki Yamaguchi | 2016-07-05 |
| 9378888 | Power transfer system | — | 2016-06-28 |
| 9257912 | Switching power supply device | Naoki Yamaguchi | 2016-02-09 |
| 9142947 | Switching control circuit and switching power supply apparatus | — | 2015-09-22 |
| 9130467 | Switching power supply device | — | 2015-09-08 |
| 9106141 | Switching power supply device | — | 2015-08-11 |